If your computer can handle playing back/editing h.264 compressed material (any middle of the road computer from the last 2 years or so should) then sticking to your camera source footage is advised.
Converting formats never gain you anything and should be avoided until final delivery in most casual workflows.
If you take the files into Premiere and your computer doesn’t perform well then we can start talking about some intermediate workflows with ProRes or DNxHD files.
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Angelo Lorenzo
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